Berlin–Ichthyosaur State Park

🏆 Nevada State Fossil Site — Home to the largest known ichthyosaur fossils ever discovered and a remarkably preserved 1890s silver mining ghost town

Two hundred and twenty-five million years ago, where the desert mountains of central Nevada now stand, there was an ocean. Massive marine reptiles called ichthyosaurs — some reaching 50 feet in length — cruised through warm Triassic seas, hunting fish and squid in waters that would eventually become some of the driest, most remote landscape in the continental United States. And then, for reasons paleontologists are still debating, a group of these enormous creatures died together in the shallow waters, settled into the seafloor mud, and waited 225 million years for someone to find them.

The discovery happened in the 1920s, when a geology professor from Stanford University noticed immense fossilized bones eroding out of a hillside in the Shoshone Mountains. What he found — and what subsequent excavations revealed — was one of the most important ichthyosaur fossil concentrations in the world: at least 40 individual Shonisaurus popularis, the Nevada State Fossil and the largest marine reptile known from the Triassic period.

But Berlin-Ichthyosaur State Park isn’t just about ancient oceans. It’s also about a different kind of disappearance. Adjacent to the fossil site sits the ghost town of Berlin, a silver mining settlement that boomed in the 1890s, produced $850,000 in ore over its brief life, and then emptied out when the silver ran dry — leaving behind a stamp mill, mine shafts, company buildings, and the quiet melancholy of a town that humans abandoned but never tore down. Together, these two stories — separated by 225 million years but sharing the same remote canyon — create one of the most unusual and moving state park experiences in the American West.

The Ichthyosaur Fossils

Shonisaurus popularis was the largest marine reptile of the Triassic period. Adults reached lengths of approximately 50 feet (15 meters), weighed several tons, and possessed a distinctive body shape — more whale-like than lizard-like, with a long, narrow snout, paddle-shaped flippers, and a large, muscular body. They were apex predators that dominated the Triassic oceans the way orcas dominate today’s seas.

The Berlin-Ichthyosaur site contains the fossilized remains of at least 40 individual animals concentrated in a single geological layer. This mass accumulation is one of the great mysteries of paleontology — why did so many die in the same place? Theories range from a mass stranding event (similar to modern whale beachings) to toxic algal blooms, changes in water chemistry, or predation by an even larger unknown creature. The debate continues, and the site remains an active subject of scientific research.

The Fossil Shelter

The centerpiece of the paleontological site is the Fossil Shelter, a protective building constructed over the in-situ fossil bed. Inside, you can see the actual bones of several ichthyosaurs exactly as they were found — partially exposed in the rock, in the actual positions where they came to rest 225 million years ago. This is not a cast or a replica. These are the real fossils, in the real rock, at the real site of death.

Important: The Fossil Shelter is accessible only by guided ranger tour. Tours are typically offered on weekends from March through November, but schedules vary by season and staffing. Call the park at (775) 964-2440 before visiting to confirm tour availability. Self-guided access is not permitted to protect the fossils.

The Ghost Town of Berlin

Just down the canyon from the fossil site sits Berlin, one of the best-preserved ghost towns in the state of Nevada. Unlike many Western ghost towns that have been commercially developed, fenced off, or dismantled for salvage, Berlin has been stabilized but deliberately left in a state of “arrested decay” — the buildings are maintained enough to prevent collapse, but no effort has been made to restore them to their original appearance. The result is hauntingly authentic.

Hiking Trails

The park sits at an elevation of approximately 6,800 feet, which means cooler temperatures than the Nevada desert below, but also the potential for snow from November through March. Carry water on all hikes — there are no reliable water sources on the trails.

Camping

Berlin-Ichthyosaur offers a small, no-reservation campground that captures the essence of the Nevada backcountry experience: quiet, remote, and dark.

Dark Sky Stargazing

Berlin-Ichthyosaur is located in one of the darkest areas of the continental United States. The nearest town (Austin, population ~200) provides virtually no light pollution, and the park’s high elevation and dry desert air create exceptional astronomical viewing conditions. The Milky Way is visible in breathtaking detail on clear, moonless nights.

This is one of the best stargazing locations in Nevada — bring a telescope, binoculars, or simply a blanket and patience. Summer and early fall evenings offer the best conditions, with the galactic core visible directly overhead.

Wildlife

Despite the arid landscape, the park’s elevation supports a diverse community of high-desert wildlife. Mule deer are common in the pinyon-juniper woodlands, and wild horses (mustangs) are occasionally spotted in the surrounding valleys. Raptors — including golden eagles, red-tailed hawks, and prairie falcons — hunt above the canyons. Rattlesnakes are present; watch your step on warm days.

Visitor Information

Best Time to Visit

The June through September window offers the best combination of reliable fossil shelter tours, warm weather, and extraordinary stargazing. However, this is remote Nevada — daytime temperatures in summer can reach 85°F, and evenings drop into the 40s or 50s even in July. Carry warm layers for evening camping.

Getting There

Photography Guide

Frequently Asked Questions

What is an ichthyosaur?

An ichthyosaur was a large marine reptile — not a dinosaur — that lived during the Mesozoic era (approximately 250 to 90 million years ago). The species found at Berlin-Ichthyosaur, Shonisaurus popularis, lived during the Late Triassic period (about 225 million years ago) and could reach 50 feet in length. Ichthyosaurs were air-breathing reptiles that returned to the sea, similar in concept to modern dolphins and whales — but evolved completely independently.

Can you see the actual fossils?

Yes — the Fossil Shelter contains real ichthyosaur bones exposed in their original rock matrix, exactly where they were buried 225 million years ago. These are not replicas or casts. Access is by guided ranger tour only, typically on weekends from March through November. Call the park at (775) 964-2440 to confirm tour schedules before making the drive.

Is it worth the long drive to Berlin-Ichthyosaur?

If you have an interest in paleontology, ghost towns, dark sky stargazing, or remote Nevada landscapes, absolutely yes. The combination of world-class fossils, an authentically preserved ghost town, and one of the darkest skies in the lower 48 makes this park genuinely unique. Plan to camp overnight to experience the stargazing — the Milky Way display alone justifies the drive.

Do I need a 4×4 to get to the park?

Not in good weather. The final 12 miles on SR-844 are well-maintained gravel that standard passenger vehicles can handle when dry. However, after rain or snow, the road can become muddy and rutted — high-clearance or 4WD is recommended in those conditions. The road may be impassable in winter (November through March). Always check conditions with the park office before traveling.

Is there camping at Berlin-Ichthyosaur?

Yes — the park has 14 first-come, first-served campsites with fire rings and vault toilets. The fee is $15 per night. There are no hookups, no electricity, and cell service is nonexistent. Water is available seasonally but should not be relied upon — bring all the water you need. This is primitive camping in one of the most remote state parks in Nevada, which is exactly what makes it special.

Can you explore the ghost town on your own?

Yes — the Berlin ghost town is open for self-guided exploration year-round during daylight hours. Interpretive signs throughout the town explain the history of the mining operation. You can walk through the ruins, examine the stamp mill from outside, and explore the remains of the company buildings. Do not enter buildings that are posted as closed, and never enter mine shafts — they are unstable and dangerous.

Why are there ocean fossils in the middle of the Nevada desert?

During the Late Triassic period (225 million years ago), central Nevada was covered by a shallow arm of the Pacific Ocean. The area that is now the Shoshone Mountains was a marine basin where ichthyosaurs and other sea creatures lived and died. Over millions of years, tectonic forces pushed the ancient seafloor upward, creating the mountain ranges of the Great Basin. The fossils were carried along for the ride, eventually eroding out of hillsides at 6,800 feet elevation — thousands of feet above and hundreds of miles from the nearest modern ocean.

Explore More Nevada State Parks

Berlin–Ichthyosaur State Park is one of many outstanding state parks in Nevada. Discover more parks in our Best State Parks in Nevada guide, or use our Park Finder to search by activity, location, or features.